There are many. All polyhedra have ONLY flat faces but many other shapes have flat faces such as a hemisphere or an octant or a cylinder.
A polyhedron.
There are any number of shapes without flat faces including: > circle > ellipse > blob
Yes and its flat surface faces are in regular shapes.
The flat side so the solid that lays flat without moving.
The number of flat sides on the shape eg the cube has 6 flat faces
There are many. All polyhedra have ONLY flat faces but many other shapes have flat faces such as a hemisphere or an octant or a cylinder.
yes
A polyhedron.
There are any number of shapes without flat faces including: > circle > ellipse > blob
-2
Polyhedra (singular = polyhedron).
Yes and its flat surface faces are in regular shapes.
The flat side so the solid that lays flat without moving.
An alien
Cylinders
There are no other shapes that have only four flat faces except for a tetrahedron, although the faces thatmake up the tetrahedron can be triangles of various shapes and need not be all identical.